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Routing

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ALSO CALLED: Network Routing
DEFINITION: A wildcard mask is a sequence of numbers that streamlines packet routing within the subnets of a proprietary network. A subnet can be a geographically defined local area network (LAN). Alternatively, a subnet may define security boundaries, departmental boundaries, multicast zones or hardware security parameters. The use of a mask saves a router the task of having to handle an entire IP address because  … 
Definition continues below.
Routing Multimedia (View All Report Types)
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Web Seminar: Routers Are Dead. Long Live the Router!
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Posted: 22 Mar 2010 | Premiered: Mar 18, 2010

Cisco Systems, Inc.

Routers are Dead; Long Live the Router
sponsored by Cisco Systems, Inc.
WEBCAST: Get a firsthand look at the next-gen routers that will enable you to create a truly borderless network, while giving you the convenient, powerful network management features you crave in today’s resource-challenged IT environment.
Posted: 20 Nov 2009 | Premiered: Nov 20, 2009

Cisco Systems, Inc.
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ROUTING DEFINITION (continued): …  the router deals only with the digits selected by the mask. Wildcard masks are commonly used with Open Shortest Path First (OSPF) router protocols and in access control lists for Cisco routers.Once a packet has arrived at an organization's main gateway with its network number, that packet is routed to its ultimate destination using a subnet number. The wildcard mask is usually a string of binary digits shown over the subnet number, telling the router which parts of the subnet number to look at. A binary "0" over a particular digit in the subnet number says "Pay attention to this … 
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